chiark / gitweb /
journal/compress: improve xz compression performance
[elogind.git] / src / timedate / timedated.c
index 0e74c25b05abab13dbceca2979f9027b61caa297..5d3b8c41e6cd59ced4a8141500410c96ae036131 100644 (file)
@@ -22,6 +22,7 @@
 #include <errno.h>
 #include <string.h>
 #include <unistd.h>
+#include <sys/capability.h>
 
 #include "sd-id128.h"
 #include "sd-messages.h"
@@ -37,6 +38,7 @@
 #include "fileio-label.h"
 #include "label.h"
 #include "bus-util.h"
+#include "bus-errors.h"
 #include "event-util.h"
 
 #define NULL_ADJTIME_UTC "0.0 0 0\n0\nUTC\n"
 typedef struct Context {
         char *zone;
         bool local_rtc;
-        unsigned can_ntp;
-        unsigned use_ntp;
+        bool can_ntp;
+        bool use_ntp;
         Hashmap *polkit_registry;
 } Context;
 
-static void context_reset(Context *c) {
-        assert(c);
-
-        free(c->zone);
-        c->zone = NULL;
-
-        c->local_rtc = false;
-        c->can_ntp = c->use_ntp = -1;
-}
-
 static void context_free(Context *c, sd_bus *bus) {
         assert(c);
 
-        context_reset(c);
+        free(c->zone);
         bus_verify_polkit_async_registry_free(bus, c->polkit_registry);
 }
 
-static bool valid_timezone(const char *name) {
-        const char *p;
-        char *t;
-        bool slash = false;
-        int r;
-        struct stat st;
-
-        assert(name);
-
-        if (*name == '/' || *name == 0)
-                return false;
-
-        for (p = name; *p; p++) {
-                if (!(*p >= '0' && *p <= '9') &&
-                    !(*p >= 'a' && *p <= 'z') &&
-                    !(*p >= 'A' && *p <= 'Z') &&
-                    !(*p == '-' || *p == '_' || *p == '+' || *p == '/'))
-                        return false;
-
-                if (*p == '/') {
-
-                        if (slash)
-                                return false;
-
-                        slash = true;
-                } else
-                        slash = false;
-        }
-
-        if (slash)
-                return false;
-
-        t = strappend("/usr/share/zoneinfo/", name);
-        if (!t)
-                return false;
-
-        r = stat(t, &st);
-        free(t);
-
-        if (r < 0)
-                return false;
-
-        if (!S_ISREG(st.st_mode))
-                return false;
-
-        return true;
-}
-
 static int context_read_data(Context *c) {
         _cleanup_free_ char *t = NULL;
         int r;
 
         assert(c);
 
-        context_reset(c);
-
         r = readlink_malloc("/etc/localtime", &t);
         if (r < 0) {
                 if (r == -EINVAL)
@@ -323,18 +265,12 @@ static int context_read_ntp(Context *c, sd_bus *bus) {
                 if (r < 0)
                         return r;
 
-                c->can_ntp = 1;
-                c->use_ntp =
-                        streq(s, "enabled") ||
-                        streq(s, "enabled-runtime");
+                c->can_ntp = true;
+                c->use_ntp = STR_IN_SET(s, "enabled", "enabled-runtime");
 
                 return 0;
         }
 
-        /* NTP is not installed. */
-        c->can_ntp = 0;
-        c->use_ntp = 0;
-
         return 0;
 }
 
@@ -519,7 +455,7 @@ static int method_set_timezone(sd_bus *bus, sd_bus_message *m, void *userdata, s
         if (r < 0)
                 return r;
 
-        if (!valid_timezone(z))
+        if (!timezone_is_valid(z))
                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid time zone '%s'", z);
 
         if (streq_ptr(z, c->zone))
@@ -664,6 +600,9 @@ static int method_set_time(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bu
         assert(m);
         assert(c);
 
+        if (c->use_ntp)
+                return sd_bus_error_setf(error, BUS_ERROR_AUTOMATIC_TIME_SYNC_ENABLED, "Automatic time synchronization is enabled");
+
         r = sd_bus_message_read(m, "xbb", &utc, &relative, &interactive);
         if (r < 0)
                 return r;
@@ -751,14 +690,12 @@ static int method_set_ntp(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus
         return sd_bus_reply_method_return(m, NULL);
 }
 
-#include <sys/capability.h>
-
 static const sd_bus_vtable timedate_vtable[] = {
         SD_BUS_VTABLE_START(0),
         SD_BUS_PROPERTY("Timezone", "s", NULL, offsetof(Context, zone), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
-        SD_BUS_PROPERTY("LocalRTC", "b", NULL, offsetof(Context, local_rtc), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
-        SD_BUS_PROPERTY("CanNTP", "b", bus_property_get_tristate, offsetof(Context, can_ntp), 0),
-        SD_BUS_PROPERTY("NTP", "b", bus_property_get_tristate, offsetof(Context, use_ntp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+        SD_BUS_PROPERTY("LocalRTC", "b", bus_property_get_bool, offsetof(Context, local_rtc), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+        SD_BUS_PROPERTY("CanNTP", "b", bus_property_get_bool, offsetof(Context, can_ntp), 0),
+        SD_BUS_PROPERTY("NTP", "b", bus_property_get_bool, offsetof(Context, use_ntp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
         SD_BUS_PROPERTY("NTPSynchronized", "b", property_get_ntp_sync, 0, 0),
         SD_BUS_PROPERTY("TimeUSec", "t", property_get_time, 0, 0),
         SD_BUS_PROPERTY("RTCTimeUSec", "t", property_get_rtc_time, 0, 0),
@@ -808,13 +745,7 @@ static int connect_bus(Context *c, sd_event *event, sd_bus **_bus) {
 }
 
 int main(int argc, char *argv[]) {
-        Context context = {
-                .zone = NULL,
-                .local_rtc = false,
-                .can_ntp = -1,
-                .use_ntp = -1,
-        };
-
+        Context context = {};
         _cleanup_event_unref_ sd_event *event = NULL;
         _cleanup_bus_unref_ sd_bus *bus = NULL;
         int r;